Product no.: 12689Manufacturer: Lunt Solar Systems
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The system includes the B3400 blocking filter, which is usable for telescopes up to 3060mm focal length.
The blocking filter is installed in a straight extension tube for 2" focuser. This extension tube is equipped with a reception for 2" eyepieces and a adapter for 1.25" eyepieces. Adding an additional available Double-Stack etalon system will reduce the bandwidth to ~<0.55 Angstrom.
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